[INFO] fetching crate evo-rl 0.1.0-alpha.2...
[INFO] checking evo-rl-0.1.0-alpha.2 against master#2e6fc425411280c658d852813de01c5157255088 for pr-128013
[INFO] extracting crate evo-rl 0.1.0-alpha.2 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate evo-rl 0.1.0-alpha.2 on toolchain 2e6fc425411280c658d852813de01c5157255088
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2e6fc425411280c658d852813de01c5157255088" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate evo-rl 0.1.0-alpha.2
[INFO] finished tweaking crates.io crate evo-rl 0.1.0-alpha.2
[INFO] tweaked toml for crates.io crate evo-rl 0.1.0-alpha.2 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2e6fc425411280c658d852813de01c5157255088" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 89 packages to latest compatible versions
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[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2e6fc425411280c658d852813de01c5157255088" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+2e6fc425411280c658d852813de01c5157255088" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "44c6d9603d6d96b78c840264b7a4ab34ba0a4af2fb30f2ef3e0bba56e043b90c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "44c6d9603d6d96b78c840264b7a4ab34ba0a4af2fb30f2ef3e0bba56e043b90c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44c6d9603d6d96b78c840264b7a4ab34ba0a4af2fb30f2ef3e0bba56e043b90c", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+2e6fc425411280c658d852813de01c5157255088" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3c2c0523cd734928b2afabaaa8087360eaab4158a498cf50f23500a178f086db
[INFO] running `Command { std: "docker" "start" "-a" "3c2c0523cd734928b2afabaaa8087360eaab4158a498cf50f23500a178f086db", kill_on_drop: false }`
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[INFO] [stderr]    Compiling evo-rl v0.1.0-alpha.2 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling pyo3-ffi v0.20.3
[INFO] [stderr]    Compiling pyo3 v0.20.3
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[INFO] [stdout] warning: unused import: `rand::prelude::*`
[INFO] [stdout]  --> src/neuron.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use rand::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sigmoid`
[INFO] [stdout]   --> src/neuron.rs:12:19
[INFO] [stdout]    |
[INFO] [stdout] 12 | use crate::{relu, sigmoid};
[INFO] [stdout]    |                   ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `IntoPyDict`
[INFO] [stdout]   --> src/enecode.rs:12:27
[INFO] [stdout]    |
[INFO] [stdout] 12 | use pyo3::types::{PyDict, IntoPyDict};
[INFO] [stdout]    |                           ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::prelude::*`
[INFO] [stdout]  --> src/population.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use rand::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `graph::NeuralNetwork`
[INFO] [stdout]   --> src/population.rs:13:13
[INFO] [stdout]    |
[INFO] [stdout] 13 | use crate::{graph::NeuralNetwork, enecode::EneCode};
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::graph::NeuralNetwork`
[INFO] [stdout]    --> src/population.rs:250:9
[INFO] [stdout]     |
[INFO] [stdout] 250 |     use crate::graph::NeuralNetwork;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `GENOME_EXAMPLE`, `XOR_GENOME_MINIMAL`, and `XOR_GENOME`
[INFO] [stdout]    --> src/population.rs:254:26
[INFO] [stdout]     |
[INFO] [stdout] 254 |     use crate::doctest::{GENOME_EXAMPLE, XOR_GENOME, XOR_GENOME_MINIMAL};
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^  ^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::setup_logger`
[INFO] [stdout]    --> src/population.rs:255:9
[INFO] [stdout]     |
[INFO] [stdout] 255 |     use crate::setup_logger;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `IntoPyDict`, `PyFloat`, `PyFunction`, and `PyTuple`
[INFO] [stdout]  --> src/python_api.rs:5:19
[INFO] [stdout]   |
[INFO] [stdout] 5 | use pyo3::types::{PyFunction, PyDict, PyList, IntoPyDict, PyTuple, PyFloat};
[INFO] [stdout]   |                   ^^^^^^^^^^                  ^^^^^^^^^^  ^^^^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/python_api.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cell::Cell`
[INFO] [stdout]  --> src/python_api.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::cell::Cell;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::graph::NeuralNetwork`
[INFO] [stdout]   --> src/python_api.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use crate::graph::NeuralNetwork;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::agent_wrapper::*`
[INFO] [stdout]   --> src/python_api.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use crate::agent_wrapper::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `FitnessValueError`
[INFO] [stdout]   --> src/python_api.rs:12:55
[INFO] [stdout]    |
[INFO] [stdout] 12 | use crate::population::{Population, PopulationConfig, FitnessValueError};
[INFO] [stdout]    |                                                       ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `GENOME_EXAMPLE` and `XOR_GENOME`
[INFO] [stdout]   --> src/python_api.rs:13:22
[INFO] [stdout]    |
[INFO] [stdout] 13 | use crate::doctest::{GENOME_EXAMPLE, XOR_GENOME, XOR_GENOME_MINIMAL};
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `PyDict` and `PyList`
[INFO] [stdout]  --> src/agent_wrapper.rs:6:19
[INFO] [stdout]   |
[INFO] [stdout] 6 | use pyo3::types::{PyList, PyDict};
[INFO] [stdout]   |                   ^^^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sigmoid`
[INFO] [stdout]   --> src/neuron.rs:12:19
[INFO] [stdout]    |
[INFO] [stdout] 12 | use crate::{relu, sigmoid};
[INFO] [stdout]    |                   ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `IntoPyDict`
[INFO] [stdout]   --> src/enecode.rs:12:27
[INFO] [stdout]    |
[INFO] [stdout] 12 | use pyo3::types::{PyDict, IntoPyDict};
[INFO] [stdout]    |                           ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::prelude::*`
[INFO] [stdout]  --> src/population.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use rand::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `graph::NeuralNetwork`
[INFO] [stdout]   --> src/population.rs:13:13
[INFO] [stdout]    |
[INFO] [stdout] 13 | use crate::{graph::NeuralNetwork, enecode::EneCode};
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::graph::NeuralNetwork`
[INFO] [stdout]    --> src/population.rs:250:9
[INFO] [stdout]     |
[INFO] [stdout] 250 |     use crate::graph::NeuralNetwork;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `IntoPyDict`, `PyFloat`, `PyFunction`, and `PyTuple`
[INFO] [stdout]  --> src/python_api.rs:5:19
[INFO] [stdout]   |
[INFO] [stdout] 5 | use pyo3::types::{PyFunction, PyDict, PyList, IntoPyDict, PyTuple, PyFloat};
[INFO] [stdout]   |                   ^^^^^^^^^^                  ^^^^^^^^^^  ^^^^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/python_api.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cell::Cell`
[INFO] [stdout]  --> src/python_api.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::cell::Cell;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::graph::NeuralNetwork`
[INFO] [stdout]   --> src/python_api.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use crate::graph::NeuralNetwork;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::agent_wrapper::*`
[INFO] [stdout]   --> src/python_api.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use crate::agent_wrapper::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `FitnessValueError`
[INFO] [stdout]   --> src/python_api.rs:12:55
[INFO] [stdout]    |
[INFO] [stdout] 12 | use crate::population::{Population, PopulationConfig, FitnessValueError};
[INFO] [stdout]    |                                                       ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `GENOME_EXAMPLE` and `XOR_GENOME`
[INFO] [stdout]   --> src/python_api.rs:13:22
[INFO] [stdout]    |
[INFO] [stdout] 13 | use crate::doctest::{GENOME_EXAMPLE, XOR_GENOME, XOR_GENOME_MINIMAL};
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `PyDict` and `PyList`
[INFO] [stdout]  --> src/agent_wrapper.rs:6:19
[INFO] [stdout]   |
[INFO] [stdout] 6 | use pyo3::types::{PyList, PyDict};
[INFO] [stdout]   |                   ^^^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `g`
[INFO] [stdout]    --> src/graph.rs:409:27
[INFO] [stdout]     |
[INFO] [stdout] 409 |         let node_label = |g: &DiGraph<Nn, f32>, node_ref: (NodeIndex, &Nn)| {
[INFO] [stdout]     |                           ^ help: if this is intentional, prefix it with an underscore: `_g`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `g`
[INFO] [stdout]    --> src/graph.rs:413:26
[INFO] [stdout]     |
[INFO] [stdout] 413 |         let edge_attr = |g: &DiGraph<Nn, f32>, edge_ref: EdgeReference<'_, f32>| -> String {
[INFO] [stdout]     |                          ^ help: if this is intentional, prefix it with an underscore: `_g`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `learn` is never used
[INFO] [stdout]    --> src/neuron.rs:132:8
[INFO] [stdout]     |
[INFO] [stdout] 69  | impl Nn{
[INFO] [stdout]     | ------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 132 |     fn learn(&self, syn_weight_current: f32) -> f32 {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `XorEvaluation` is never constructed
[INFO] [stdout]    --> src/population.rs:257:12
[INFO] [stdout]     |
[INFO] [stdout] 257 |     struct XorEvaluation {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `evaluate_agent` are never used
[INFO] [stdout]    --> src/population.rs:262:16
[INFO] [stdout]     |
[INFO] [stdout] 261 |     impl XorEvaluation {
[INFO] [stdout]     |     ------------------ associated items in this implementation
[INFO] [stdout] 262 |         pub fn new() -> Self {
[INFO] [stdout]     |                ^^^
[INFO] [stdout] ...
[INFO] [stdout] 268 |         pub fn evaluate_agent(&self, agent: &mut Agent) -> Result<(), FitnessValueError> {
[INFO] [stdout]     |                ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `pop_config` is never read
[INFO] [stdout]   --> src/python_api.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 37 | struct PopulationApi {
[INFO] [stdout]    |        ------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 40 |     pop_config: Py<PyDict>
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/enecode.rs:83:9
[INFO] [stdout]    |
[INFO] [stdout] 83 |         dict.set_item("neuron_id", &self.neuron_id);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 83 |         let _ = dict.set_item("neuron_id", &self.neuron_id);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/enecode.rs:84:9
[INFO] [stdout]    |
[INFO] [stdout] 84 |         dict.set_item("topology", &self.topology);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 84 |         let _ = dict.set_item("topology", &self.topology);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/enecode.rs:85:9
[INFO] [stdout]    |
[INFO] [stdout] 85 |         dict.set_item("neuronal_props", &self.neuronal_props);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 85 |         let _ = dict.set_item("neuronal_props", &self.neuronal_props);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/enecode.rs:86:9
[INFO] [stdout]    |
[INFO] [stdout] 86 |         dict.set_item("meta_learning", &self.meta_learning);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 86 |         let _ = dict.set_item("meta_learning", &self.meta_learning);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/enecode.rs:351:9
[INFO] [stdout]     |
[INFO] [stdout] 351 |         dict.set_item("innovation_number", &self.innovation_number);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 351 |         let _ = dict.set_item("innovation_number", &self.innovation_number);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/enecode.rs:353:9
[INFO] [stdout]     |
[INFO] [stdout] 353 | /         match self.pin {
[INFO] [stdout] 354 | |             NeuronType::In => dict.set_item("pin", "Input"),
[INFO] [stdout] 355 | |             NeuronType::Out => dict.set_item("pin", "Output"),
[INFO] [stdout] 356 | |             NeuronType::Hidden => dict.set_item("pin", "Hidden"),
[INFO] [stdout] 357 | |         };
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 353 |         let _ = match self.pin {
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/enecode.rs:359:9
[INFO] [stdout]     |
[INFO] [stdout] 359 |         dict.set_item("inputs", &self.inputs);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 359 |         let _ = dict.set_item("inputs", &self.inputs);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/enecode.rs:360:9
[INFO] [stdout]     |
[INFO] [stdout] 360 |         dict.set_item("genetic_bias", self.genetic_bias);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 360 |         let _ = dict.set_item("genetic_bias", self.genetic_bias);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/enecode.rs:361:9
[INFO] [stdout]     |
[INFO] [stdout] 361 |         dict.set_item("active", self.active);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 361 |         let _ = dict.set_item("active", self.active);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/enecode.rs:385:9
[INFO] [stdout]     |
[INFO] [stdout] 385 |         dict.set_item("innovation_number", &self.innovation_number);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 385 |         let _ = dict.set_item("innovation_number", &self.innovation_number);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/enecode.rs:386:9
[INFO] [stdout]     |
[INFO] [stdout] 386 |         dict.set_item("tau", self.tau);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 386 |         let _ = dict.set_item("tau", self.tau);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/enecode.rs:387:9
[INFO] [stdout]     |
[INFO] [stdout] 387 |         dict.set_item("homeostatic_force", self.homeostatic_force);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 387 |         let _ = dict.set_item("homeostatic_force", self.homeostatic_force);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/enecode.rs:388:9
[INFO] [stdout]     |
[INFO] [stdout] 388 |         dict.set_item("tanh_alpha", self.tanh_alpha);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 388 |         let _ = dict.set_item("tanh_alpha", self.tanh_alpha);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/enecode.rs:409:9
[INFO] [stdout]     |
[INFO] [stdout] 409 |         dict.set_item("innnovation_number", &self.innovation_number);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 409 |         let _ = dict.set_item("innnovation_number", &self.innovation_number);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/enecode.rs:410:9
[INFO] [stdout]     |
[INFO] [stdout] 410 |         dict.set_item("learning_rate", self.learning_rate);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 410 |         let _ = dict.set_item("learning_rate", self.learning_rate);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/enecode.rs:411:9
[INFO] [stdout]     |
[INFO] [stdout] 411 |         dict.set_item("learning_threshold", self.learning_threshold);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 411 |         let _ = dict.set_item("learning_threshold", self.learning_threshold);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `g`
[INFO] [stdout]    --> src/graph.rs:409:27
[INFO] [stdout]     |
[INFO] [stdout] 409 |         let node_label = |g: &DiGraph<Nn, f32>, node_ref: (NodeIndex, &Nn)| {
[INFO] [stdout]     |                           ^ help: if this is intentional, prefix it with an underscore: `_g`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `g`
[INFO] [stdout]    --> src/graph.rs:413:26
[INFO] [stdout]     |
[INFO] [stdout] 413 |         let edge_attr = |g: &DiGraph<Nn, f32>, edge_ref: EdgeReference<'_, f32>| -> String {
[INFO] [stdout]     |                          ^ help: if this is intentional, prefix it with an underscore: `_g`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/graph.rs:565:13
[INFO] [stdout]     |
[INFO] [stdout] 565 |         let mut network1 = NeuralNetwork::new(ene1);
[INFO] [stdout]     |             ----^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/graph.rs:568:13
[INFO] [stdout]     |
[INFO] [stdout] 568 |         let mut network2 = NeuralNetwork::new(ene2);
[INFO] [stdout]     |             ----^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 38 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `learn` is never used
[INFO] [stdout]    --> src/neuron.rs:132:8
[INFO] [stdout]     |
[INFO] [stdout] 69  | impl Nn{
[INFO] [stdout]     | ------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 132 |     fn learn(&self, syn_weight_current: f32) -> f32 {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `pop_config` is never read
[INFO] [stdout]   --> src/python_api.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 37 | struct PopulationApi {
[INFO] [stdout]    |        ------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 40 |     pop_config: Py<PyDict>
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/enecode.rs:83:9
[INFO] [stdout]    |
[INFO] [stdout] 83 |         dict.set_item("neuron_id", &self.neuron_id);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 83 |         let _ = dict.set_item("neuron_id", &self.neuron_id);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/enecode.rs:84:9
[INFO] [stdout]    |
[INFO] [stdout] 84 |         dict.set_item("topology", &self.topology);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 84 |         let _ = dict.set_item("topology", &self.topology);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/enecode.rs:85:9
[INFO] [stdout]    |
[INFO] [stdout] 85 |         dict.set_item("neuronal_props", &self.neuronal_props);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 85 |         let _ = dict.set_item("neuronal_props", &self.neuronal_props);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/enecode.rs:86:9
[INFO] [stdout]    |
[INFO] [stdout] 86 |         dict.set_item("meta_learning", &self.meta_learning);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 86 |         let _ = dict.set_item("meta_learning", &self.meta_learning);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/enecode.rs:351:9
[INFO] [stdout]     |
[INFO] [stdout] 351 |         dict.set_item("innovation_number", &self.innovation_number);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 351 |         let _ = dict.set_item("innovation_number", &self.innovation_number);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/enecode.rs:353:9
[INFO] [stdout]     |
[INFO] [stdout] 353 | /         match self.pin {
[INFO] [stdout] 354 | |             NeuronType::In => dict.set_item("pin", "Input"),
[INFO] [stdout] 355 | |             NeuronType::Out => dict.set_item("pin", "Output"),
[INFO] [stdout] 356 | |             NeuronType::Hidden => dict.set_item("pin", "Hidden"),
[INFO] [stdout] 357 | |         };
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 353 |         let _ = match self.pin {
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/enecode.rs:359:9
[INFO] [stdout]     |
[INFO] [stdout] 359 |         dict.set_item("inputs", &self.inputs);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 359 |         let _ = dict.set_item("inputs", &self.inputs);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/enecode.rs:360:9
[INFO] [stdout]     |
[INFO] [stdout] 360 |         dict.set_item("genetic_bias", self.genetic_bias);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 360 |         let _ = dict.set_item("genetic_bias", self.genetic_bias);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/enecode.rs:361:9
[INFO] [stdout]     |
[INFO] [stdout] 361 |         dict.set_item("active", self.active);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 361 |         let _ = dict.set_item("active", self.active);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/enecode.rs:385:9
[INFO] [stdout]     |
[INFO] [stdout] 385 |         dict.set_item("innovation_number", &self.innovation_number);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 385 |         let _ = dict.set_item("innovation_number", &self.innovation_number);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/enecode.rs:386:9
[INFO] [stdout]     |
[INFO] [stdout] 386 |         dict.set_item("tau", self.tau);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 386 |         let _ = dict.set_item("tau", self.tau);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/enecode.rs:387:9
[INFO] [stdout]     |
[INFO] [stdout] 387 |         dict.set_item("homeostatic_force", self.homeostatic_force);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 387 |         let _ = dict.set_item("homeostatic_force", self.homeostatic_force);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/enecode.rs:388:9
[INFO] [stdout]     |
[INFO] [stdout] 388 |         dict.set_item("tanh_alpha", self.tanh_alpha);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 388 |         let _ = dict.set_item("tanh_alpha", self.tanh_alpha);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/enecode.rs:409:9
[INFO] [stdout]     |
[INFO] [stdout] 409 |         dict.set_item("innnovation_number", &self.innovation_number);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 409 |         let _ = dict.set_item("innnovation_number", &self.innovation_number);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/enecode.rs:410:9
[INFO] [stdout]     |
[INFO] [stdout] 410 |         dict.set_item("learning_rate", self.learning_rate);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 410 |         let _ = dict.set_item("learning_rate", self.learning_rate);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/enecode.rs:411:9
[INFO] [stdout]     |
[INFO] [stdout] 411 |         dict.set_item("learning_threshold", self.learning_threshold);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 411 |         let _ = dict.set_item("learning_threshold", self.learning_threshold);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/population.rs:369:17
[INFO] [stdout]     |
[INFO] [stdout] 369 |                 ef.evaluate_agent(agent);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 369 |                 let _ = ef.evaluate_agent(agent);
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/population.rs:396:17
[INFO] [stdout]     |
[INFO] [stdout] 396 |                 ef.evaluate_agent(agent);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 396 |                 let _ = ef.evaluate_agent(agent);
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 37 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 27.67s
[INFO] running `Command { std: "docker" "inspect" "3c2c0523cd734928b2afabaaa8087360eaab4158a498cf50f23500a178f086db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c2c0523cd734928b2afabaaa8087360eaab4158a498cf50f23500a178f086db", kill_on_drop: false }`
[INFO] [stdout] 3c2c0523cd734928b2afabaaa8087360eaab4158a498cf50f23500a178f086db
[INFO] checking evo-rl-0.1.0-alpha.2 against try#d856f2da3433420b7077c0dc7ee9441455bc1302 for pr-128013
[INFO] extracting crate evo-rl 0.1.0-alpha.2 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate evo-rl 0.1.0-alpha.2 on toolchain d856f2da3433420b7077c0dc7ee9441455bc1302
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d856f2da3433420b7077c0dc7ee9441455bc1302" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate evo-rl 0.1.0-alpha.2
[INFO] finished tweaking crates.io crate evo-rl 0.1.0-alpha.2
[INFO] tweaked toml for crates.io crate evo-rl 0.1.0-alpha.2 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d856f2da3433420b7077c0dc7ee9441455bc1302" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 89 packages to latest compatible versions
[INFO] [stderr]       Adding env_logger v0.10.2 (latest: v0.11.5)
[INFO] [stderr]       Adding fixedbitset v0.4.2 (latest: v0.5.7)
[INFO] [stderr]       Adding heck v0.4.1 (latest: v0.5.0)
[INFO] [stderr]       Adding hermit-abi v0.3.9 (latest: v0.4.0)
[INFO] [stderr]       Adding nalgebra v0.32.6 (latest: v0.33.0)
[INFO] [stderr]       Adding pyo3 v0.20.3 (latest: v0.22.2)
[INFO] [stderr]       Adding pyo3-build-config v0.20.3 (latest: v0.22.2)
[INFO] [stderr]       Adding pyo3-build-config v0.21.2 (latest: v0.22.2)
[INFO] [stderr]       Adding pyo3-ffi v0.20.3 (latest: v0.22.2)
[INFO] [stderr]       Adding pyo3-log v0.9.0 (latest: v0.11.0)
[INFO] [stderr]       Adding pyo3-macros v0.20.3 (latest: v0.22.2)
[INFO] [stderr]       Adding pyo3-macros-backend v0.20.3 (latest: v0.22.2)
[INFO] [stderr]       Adding simba v0.8.1 (latest: v0.9.0)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.1+wasi-0.2.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d856f2da3433420b7077c0dc7ee9441455bc1302" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+d856f2da3433420b7077c0dc7ee9441455bc1302" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 466b833816ce21264af4c6b617f4ac89e74d056f9828716465f899a7a360cf1d
[INFO] running `Command { std: "docker" "start" "-a" "466b833816ce21264af4c6b617f4ac89e74d056f9828716465f899a7a360cf1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "466b833816ce21264af4c6b617f4ac89e74d056f9828716465f899a7a360cf1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "466b833816ce21264af4c6b617f4ac89e74d056f9828716465f899a7a360cf1d", kill_on_drop: false }`
[INFO] [stdout] 466b833816ce21264af4c6b617f4ac89e74d056f9828716465f899a7a360cf1d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+d856f2da3433420b7077c0dc7ee9441455bc1302" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aa31c55e5d1283a864c21947ebefa8161fe19eeb547772be3484e41387477655
[INFO] running `Command { std: "docker" "start" "-a" "aa31c55e5d1283a864c21947ebefa8161fe19eeb547772be3484e41387477655", kill_on_drop: false }`
[INFO] [stderr]    Compiling target-lexicon v0.12.15
[INFO] [stderr]    Compiling libm v0.2.8
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling memoffset v0.9.1
[INFO] [stderr]    Compiling matrixmultiply v0.3.8
[INFO] [stderr]    Compiling portable-atomic v1.7.0
[INFO] [stderr]     Checking regex-automata v0.4.7
[INFO] [stderr]     Checking safe_arch v0.7.2
[INFO] [stderr]    Compiling serde v1.0.204
[INFO] [stderr]     Checking wide v0.7.26
[INFO] [stderr]     Checking is-terminal v0.4.12
[INFO] [stderr]     Checking unindent v0.2.3
[INFO] [stderr]    Compiling indoc v2.0.5
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling pyo3-build-config v0.20.3
[INFO] [stderr]    Compiling pyo3-build-config v0.21.2
[INFO] [stderr]    Compiling nalgebra-macros v0.2.2
[INFO] [stderr]     Checking arc-swap v1.7.1
[INFO] [stderr]     Checking fixedbitset v0.4.2
[INFO] [stderr]     Checking rand_seeder v0.2.3
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-complex v0.4.6
[INFO] [stderr]     Checking approx v0.5.1
[INFO] [stdout] error[E0034]: multiple applicable items in scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/num-integer-0.1.46/src/lib.rs:511:41
[INFO] [stdout]     |
[INFO] [stdout] 511 |                     return (1 << shift).abs();
[INFO] [stdout]     |                                         ^^^ multiple `abs` found
[INFO] [stdout] ...
[INFO] [stdout] 841 | impl_integer_for_isize!(i8, test_integer_i8);
[INFO] [stdout]     | -------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: candidate #1 is defined in an impl for the type `i128`
[INFO] [stdout]     = note: candidate #2 is defined in an impl for the type `i16`
[INFO] [stdout]     = note: candidate #3 is defined in an impl for the type `i32`
[INFO] [stdout]     = note: candidate #4 is defined in an impl for the type `i64`
[INFO] [stdout]     = note: and 2 others
[INFO] [stdout]     = note: this error originates in the macro `impl_integer_for_isize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0034]: multiple applicable items in scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/num-integer-0.1.46/src/lib.rs:511:41
[INFO] [stdout]     |
[INFO] [stdout] 511 |                     return (1 << shift).abs();
[INFO] [stdout]     |                                         ^^^ multiple `abs` found
[INFO] [stdout] ...
[INFO] [stdout] 842 | impl_integer_for_isize!(i16, test_integer_i16);
[INFO] [stdout]     | ---------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: candidate #1 is defined in an impl for the type `i128`
[INFO] [stdout]     = note: candidate #2 is defined in an impl for the type `i16`
[INFO] [stdout]     = note: candidate #3 is defined in an impl for the type `i32`
[INFO] [stdout]     = note: candidate #4 is defined in an impl for the type `i64`
[INFO] [stdout]     = note: and 2 others
[INFO] [stdout]     = note: this error originates in the macro `impl_integer_for_isize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0034]: multiple applicable items in scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/num-integer-0.1.46/src/lib.rs:511:41
[INFO] [stdout]     |
[INFO] [stdout] 511 |                     return (1 << shift).abs();
[INFO] [stdout]     |                                         ^^^ multiple `abs` found
[INFO] [stdout] ...
[INFO] [stdout] 843 | impl_integer_for_isize!(i32, test_integer_i32);
[INFO] [stdout]     | ---------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: candidate #1 is defined in an impl for the type `i128`
[INFO] [stdout]     = note: candidate #2 is defined in an impl for the type `i16`
[INFO] [stdout]     = note: candidate #3 is defined in an impl for the type `i32`
[INFO] [stdout]     = note: candidate #4 is defined in an impl for the type `i64`
[INFO] [stdout]     = note: and 2 others
[INFO] [stdout]     = note: this error originates in the macro `impl_integer_for_isize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking petgraph v0.6.5
[INFO] [stdout] error[E0034]: multiple applicable items in scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/num-integer-0.1.46/src/lib.rs:511:41
[INFO] [stdout]     |
[INFO] [stdout] 511 |                     return (1 << shift).abs();
[INFO] [stdout]     |                                         ^^^ multiple `abs` found
[INFO] [stdout] ...
[INFO] [stdout] 844 | impl_integer_for_isize!(i64, test_integer_i64);
[INFO] [stdout]     | ---------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: candidate #1 is defined in an impl for the type `i128`
[INFO] [stdout]     = note: candidate #2 is defined in an impl for the type `i16`
[INFO] [stdout]     = note: candidate #3 is defined in an impl for the type `i32`
[INFO] [stdout]     = note: candidate #4 is defined in an impl for the type `i64`
[INFO] [stdout]     = note: and 2 others
[INFO] [stdout]     = note: this error originates in the macro `impl_integer_for_isize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0034]: multiple applicable items in scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/num-integer-0.1.46/src/lib.rs:511:41
[INFO] [stdout]     |
[INFO] [stdout] 511 |                     return (1 << shift).abs();
[INFO] [stdout]     |                                         ^^^ multiple `abs` found
[INFO] [stdout] ...
[INFO] [stdout] 845 | impl_integer_for_isize!(i128, test_integer_i128);
[INFO] [stdout]     | ------------------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: candidate #1 is defined in an impl for the type `i128`
[INFO] [stdout]     = note: candidate #2 is defined in an impl for the type `i16`
[INFO] [stdout]     = note: candidate #3 is defined in an impl for the type `i32`
[INFO] [stdout]     = note: candidate #4 is defined in an impl for the type `i64`
[INFO] [stdout]     = note: and 2 others
[INFO] [stdout]     = note: this error originates in the macro `impl_integer_for_isize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0034]: multiple applicable items in scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/num-integer-0.1.46/src/lib.rs:511:41
[INFO] [stdout]     |
[INFO] [stdout] 511 |                     return (1 << shift).abs();
[INFO] [stdout]     |                                         ^^^ multiple `abs` found
[INFO] [stdout] ...
[INFO] [stdout] 846 | impl_integer_for_isize!(isize, test_integer_isize);
[INFO] [stdout]     | -------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: candidate #1 is defined in an impl for the type `i128`
[INFO] [stdout]     = note: candidate #2 is defined in an impl for the type `i16`
[INFO] [stdout]     = note: candidate #3 is defined in an impl for the type `i32`
[INFO] [stdout]     = note: candidate #4 is defined in an impl for the type `i64`
[INFO] [stdout]     = note: and 2 others
[INFO] [stdout]     = note: this error originates in the macro `impl_integer_for_isize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking rand_distr v0.4.3
[INFO] [stdout] error: aborting due to 6 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0034`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `num-integer` (lib) due to 7 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "aa31c55e5d1283a864c21947ebefa8161fe19eeb547772be3484e41387477655", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa31c55e5d1283a864c21947ebefa8161fe19eeb547772be3484e41387477655", kill_on_drop: false }`
[INFO] [stdout] aa31c55e5d1283a864c21947ebefa8161fe19eeb547772be3484e41387477655